Solve the question and show your work so 43x8 and 50x10 = 500 is it a. overestimated or b. underestimated show how u got this and write a full explanation and tell me how your answer is right

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet